/*
 * (c) Copyright 2018 Palantir Technologies Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.palantir.nexus.db.pool.config;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import org.immutables.value.Value;

@JsonSerialize(as = ImmutableMaskedValue.class)
@Value.Immutable(builder = false)
public abstract class MaskedValue {
    @Value.Parameter
    abstract String value();

    @Override
    public String toString() {
        return "<REDACTED>";
    }

    public String unmasked() {
        return value();
    }

    @JsonCreator(mode = JsonCreator.Mode.DELEGATING)
    static MaskedValue fromJson(String stringValue) {
        return ImmutableMaskedValue.of(stringValue);
    }

    @JsonCreator(mode = JsonCreator.Mode.DELEGATING)
    static MaskedValue fromJson(ImmutableMaskedValue jsonValue) {
        return jsonValue;
    }
}
